Levothyroxine Injection
Uses
For low thyroid levels.
Instructions
This medicine is given as an injection into a muscle.
Read and make sure you understand the instructions for measuring dose and using syringe. If you have any questions, talk to your doctor, nurse, or pharmacist.
The medicine needs to be mixed before being injected.
Dilute with 0.9% sodium chloride, as directed.
Do not dilute the medicine until ready to use.
If using the vial, do not remove the medicine from the vial until ready to use.
Do not mix this medicine with other solutions.
Always inspect the medicine before using.
The liquid should be clear.
Do not use the medicine if it contains any particles or if it has changed color.
Shake well to dissolve any visible particles. Do not use if particles do not disappear.
Keep medicine at room temperature. Protect from light.
Keep the medicine in its original container.
Do not store above 77 degrees F (25 degrees C).
Inject the medicine immediately after mixing.
Never use any medicine that has expired.
Discard any remaining medicine after your dose is given.
Please ask your doctor, nurse, or pharmacist how to discard unused medicines safely.
This medicine should only be used by a person who has been trained to recognize when and how it should be used.
Use this medicine at the same time each day.
You or a family member can be trained to give this medicine at home.
It is important that you keep taking each dose of this medicine on time even if you are feeling well.
If you miss a dose, contact your doctor for instructions.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
Tell your doctor if symptoms do not get better or if they get worse.
This medicine may affect your blood sugar levels. If you have diabetes, talk to your doctor before changing the dose of your diabetes medicine.
It is very important that you follow your doctor's instructions for all blood tests.
Keep all appointments for medical exams and tests while on this medicine.
Cautions
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Do not use the medication any more than instructed.
Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.
Ask your pharmacist how to properly throw away used needles or syringes.
Do not share this medicine with anyone who has not been prescribed this medicine.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
- hair loss
- pain, redness, swelling near injection
If you have any of the following side effects, you may be getting too much medicine. Please contact your doctor to let them know about these side effects.
- bone pain
- headaches
- nervousness
- shakiness
- difficulty adjusting to changes in temperature
- weight loss
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- chest pain
- confusion
- swelling of the legs, feet, and hands
- fast or irregular heart beats
- seizures
- shortness of breath
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Extra
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
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